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BAYUKOV, O. A.
PREDICTION OF MAGNETIC-PROPERTIES OF DIELECTRICS IS POSSIBLE / O. A. BAYUKOV, A. F. SAVITSKII // Fiz. Tverd. Tela. - 1994. - Vol. 36, Is. 7. - P. 1923-1938. - Cited References: 54 . - ISSN 0367-3294

РУБ Physics, Condensed Matter
Рубрики:
EXCHANGE INTERACTIONS
METAL-IONS

WOS

Доп.точки доступа:
SAVITSKII, A. F.
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Bayukov, O. A.
The prognostication possibility of some magnetic-properties for dielectrics on the basis of covalency parameters of ligand cation bonds / O. A. Bayukov, A. F. Savitskii // Phys. Status Solidi B. - 1989. - Vol. 155, Is. 1. - P. 249-255, DOI 10.1002/pssb.2221550125. - Cited References: 27 . - ISSN 0370-1972

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Savitskii, A. F.; Баюков, Олег Артемьевич
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Crystal growth, structure, magnetic properties and theoretical exchange interaction calculations of Cu2MnBO5 / S. Sofronova [et al.] // J. Magn. Magn. Mater. - 2016. - Vol. 420. - P. 309-316, DOI 10.1016/j.jmmm.2016.07.019. - Cited References: 35. - X-ray diffraction experiment was carried out at the Centre on Molecular Design and Ecologically Safe Technologies at the Novosibirsk State University. The reported study was funded by Russian Foundation for Basic Research (RFBR) and Government of Krasnoyarsk Territory according to the research project No. 16-42-243028. . - ISSN 0304-8853

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
SPIN-GLASS BEHAVIOR
   SINGLE-CRYSTALS
   SUPEREXCHANGE INTERACTIONS
   LUDWIGITE
   DIELECTRICS
   CO3B2O6NI3B2O6
   WARWICKITES
   FE3O2BO3
   IFEFFIT
   NI3B2O6
Кл.слова (ненормированные):
Oxyborates -- Ludwigites -- XMCD -- EXAFS -- Magnetism
Аннотация: Single crystals of ludwigite Cu2MnBO5 were synthesized by flux growth technique. The detailed structural and magnetic characterizations of the synthesized samples have been carried out. The cations composition of the studied crystal was determined using X-ray diffraction and EXAFS technique, the resulting composition differ from the content of the initial Mn2O3–CuO components of the flux. Magnetic susceptibility measurements and the calculations of the exchange integrals in frameworks of indirect coupling model revealed that monoclinic distortions strongly affect exchange interactions and appearance of magnetic ordering phase at the temperature T=93 K. The hypothesis of the existence of several magnetic subsystems was supposed. © 2016 Elsevier B.V.

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Держатели документа:
L.V. Kirensky Institute of Physics, Siberian Branch of Russian Academy of Science, Krasnoyarsk, Russian Federation
M V Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russian Federation
V.S. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk, Russian Federation
Novosibirsk State University, Novosibirsk, Russian Federation
Institute of Physics, University of Mainz, Mainz, Germany
Institute of Inorganic and Analytical Chemistry, University of Mainz, Mainz, Germany
Lund University, MAX IV Laboratory, Lund, Sweden
National Research Centre “Kurchatov Institute”, Moscow, Russian Federation

Доп.точки доступа:
Sofronova, S. N.; Софронова, Светлана Николаевна; Moshkina, E. M.; Мошкина, Евгения Михайловна; Nazarenko, I. I.; Назаренко, Илья Иванович; Seryotkin, Yu. V.; Nepijko, S. A.; Ksenofontov, V.; Medjanik, K.; Veligzhanin, A. A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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Deich, L. I.
Local piezoelectric effect in disordered dielectrics / L. I. Deich // J. Phys.: Condens. Matter. - 1990. - Vol. 2, Is. 8. - P. 2045-2052, DOI 10.1088/0953-8984/2/8/011. - Cited References: 13 . - ISSN 0953-8984

РУБ Physics, Condensed Matter

WOS,
Scopus
Держатели документа:
Kirensky Inst. of Phys., Krasnoyarsk, Russian Federation
Доп.точки доступа:
Дейч, Лев Исаакович
}
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Features of structural transformations in dielectrics Rb2KM3+F6, M3+ = Al, Cr, Ga, Fe, Lu, Er / S. G. Vasilovskiy [и др.] // Abstract book of The Fifth International Seminar on Ferroelactic Physics. - 2006. - P. 30

Доп.точки доступа:
Vasilovskiy, S. G.; Beskrovnyi, A. I.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Flerov, I. N.; Флёров, Игорь Николаевич; Simkin, V. G.; International Seminar on Ferroelactic Physics(5 ; 2006 ; Sept. ; 10-13 ; Voronezh)
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    Influence of thermal conditions on the electrocaloric effect in a multilayer capacitor based on doped BaTiO3 / V. S. Bondarev [et al.] // J. Adv. Dielectr. - 2017. - Vol. 7, Is. 6. - Ст. 1750041, DOI 10.1142/S2010135X17500412. - Cited References: 32. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research, project no. 16-42-240428 r_a, and partially financially supported by Government of Russian Federation, Grant 074-U01. . - ISSN 2010-135X. - ISSN 2010-1368
   Перевод заглавия: Влияние тепловых свойств на электрокалорический эффект в мультислойном конденсаторе на основе допированного BaTiO3
Кл.слова (ненормированные):
Electrocaloric effect -- ferroelectrics -- layered structures -- nonequilibrium conditions -- phase transitions
Аннотация: We present the results of studies of thermal expansion, heat capacity, permittivity, polarization and the influence of different thermal conditions on the intensive electrocaloric effect (ECE), ΔTAD, in a commercial multilayer capacitor based on doped BaTiO3. Investigations in a wide temperature range revealed one anomaly in the behavior of the physical properties at about 290K characteristic for the relaxors. Direct measurements showed a high reversibility of ECE under equilibrium thermal conditions. Good agreement was found between the values of ΔTAD determined by direct and indirect measurements at the electric field up to 15.4 kV/cm. Quasi-isothermal conditions lead, firstly, to decrease of large ΔTAD ≈0.94K obtained in adiabatic conditions under E = 308 kV/cm to 0.87 K, and, secondly, the appearance of a difference between the values of ΔTON and ΔTOFF determined when the electric field is applied and removed. Using this phenomenon and changing the frequency of the periodic electric field, E = 15.4 kV/cm, the effect of cooling was obtained equal to [(ΔTON + ΔT OFF)/2]max = -0,032 K. The results obtained are useful for further development of the electrocaloric refrigeration technique without thermal switches.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Siberian Federal University, Krasnoyarsk 660074, Russia
International Laboratory “Materials and Structures for Electro- and Magnetocaloric Energy Conversion”, ITMO University, St. Petersburg 197101, Russia

Доп.точки доступа:
Bondarev, V. S.; Бондарев, Виталий Сергеевич; Flerov, I. N.; Флёров, Игорь Николаевич; Gorev, M. V.; Горев, Михаил Васильевич; Pogoreltsev, E. I.; Погорельцев, Евгений Ильич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Shabanov, A. V.; Шабанов, Александр Васильевич; Es'kov, A. V.
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Magnetic properties of Ni3B2O6 and Co3B2O6 single crystals / L. N. Bezmaternykh [et al.] // Phys. Status Solidi B. - 2012. - Vol. 249, Is. 8. - P. 1628-1633, DOI 10.1002/pssb.201147518. - Cited References: 12. - This study was supported by the Siberian Branch of the Russian Academy of Sciences, Integration project no. 101. . - ISSN 0370-1972

РУБ Physics, Condensed Matter
Рубрики:
DIELECTRICS
Кл.слова (ненормированные):
antiferromagnets -- crystal growth -- magnetics structure -- Ni3B2O6 and Co3B2O6 single crystals
Аннотация: Orthorhombic Me3B2O6 (Me = Co, Ni) single crystals of the kotoite family are grown from the fluxes based on a mixture of bismuth trimolybdate and sodium oxide upon spontaneous nucleation. The field and temperature dependences of magnetization of the single crystals with the magnetic field oriented along the principal crystallographic directions are obtained. Unlike Ni3B2O6, Co3B2O6 exhibits strong anisotropy of the magnetic properties. At the temperature T = 10 K, the magnetization curves of Co3B2O6 reveal an anomaly attributed to the spin-reorientation transition. Strong anisotropy of the magnetic properties of Co3B2O6 is also confirmed by the calculation of the exchange interactions within a simple indirect coupling model.

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Держатели документа:
[Bezmaternykh, L. N.
Sofronova, S. N.
Volkov, N. V.
Eremin, E. V.
Bayukov, O. A.
Velikanov, D. A.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Sofronova, S. N.
Eremin, E. V.
Nazarenko, I. I.] Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia

Доп.точки доступа:
Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Sofronova, S. N.; Софронова, Светлана Николаевна; Volkov, N. V.; Волков, Никита Валентинович; Eremin, E. V.; Еремин, Евгений Владимирович; Bayukov, O. A.; Баюков, Олег Артемьевич; Nazarenko, I. I.; Назаренко, Илья Иванович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич
}
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    Magnetism and structure of Ni2MnBO5 ludwigite / E. Moshkina [et al.] // J. Magn. Magn. Mater. - 2016. - Vol. 402. - P. 69-75, DOI 10.1016/j.jmmm.2015.11.033. - Cited References: 23. - The authors are grateful to Professor N.V. Volkov and Professor A.N. Vasiliev for valuable discussions. This work was supported by Russian Foundation for Basic Research (grants No. 16-02-00055, 16-32-00318) . - ISSN 0304-8853
   Перевод заглавия: Магнетизм и структура людвигита Ni2MnBO5

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
CRYSTAL-STRUCTURE
   DIELECTRICS
   IFEFFIT
   Mn
Кл.слова (ненормированные):
Ludwigites -- Crystal structure -- Antiferromagnetic -- Indirect coupling model
Аннотация: Single crystals of ludwigite Ni2MnBO5 were synthesized by flux growth technique. The detailed structural and magnetic characterizations of the synthesized samples have been carried out. The cations composition of the studied crystal was determined using X-ray diffraction and EXAFS technique, the resulting composition is differ from the content of the initial Mn2O3–NiO components of flux. Magnetic susceptibility measurements and the calculations of the exchange integrals in frameworks of indirect coupling model revealed strong antiferromagnetic interactions and appearance of magnetic ordering phase at the temperature T=85 K. The hypothesis of the existence of several magnetic subsystems was supposed.

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Держатели документа:
L.V. Kirensky Institute of Physics SB RAS, Krasnoyarsk, Russian Federation
Siberian State Aerospace University Named after Academician M.F. Reshetnev, Krasnoyarsk, Russian Federation
National Research Centre Kurchatov Institute, Moscow, Russian Federation
Far Eastern State Transport University, Khabarovsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Moshkina, E. M.; Мошкина, Евгения Михайловна; Sofronova, S. N.; Софронова, Светлана Николаевна; Veligzhanin, A.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Nazarenko, I. I.; Назаренко, Илья Иванович; Eremin, E. V.; Еремин, Евгений Владимирович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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    Manifestation of magnetoelastic interactions in Raman spectra of HoxNd1-хFe3(BO3)4 crystals / A. S. Krylov [et al.] // J. Adv. Dielectr. - 2018. - Vol. 08, Is. 02. - Ст. 1850011, DOI 10.1142/S2010135X1850011X. - Cited References: 32 . - ISSN 2010-135X
   Перевод заглавия: Проявление магнитоупругих взаимодействий в спектрах комбинационного рассеяния кристаллов HoxNd1-xFe3(BO3)4
Кл.слова (ненормированные):
Multiferroic -- magnetoelastic interaction -- Raman spectra -- phase transition -- magnetic ordering
Аннотация: Raman spectra of Ho1-xNdxFe(BO3)4 (x=1, 0.75, 0.5, 0.25) have been studied in temperature range 10-400K. Two compositions (x=1, x=0.75) demonstrate structural phase transition with soft mode restoration. The addition of Nd atoms increases interatomic spacing and decreases the temperature of structural phase transition. The solid solutions (x=0.75, 0.5, 0.25) demonstrate the emergence of the peaks corresponding to magnetoelastic interaction below Neel temperature. The order parameter of the magnetic phase transition has been determined. The equal concentrations of holmium and neodymium atoms prevent magnon soft modes condensation caused by exchange interactions in Fe-O-Fe chains are observed. Calculations confirm the data obtained in the experiment.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Material Research Laboratory, Discipline of Physics and MEMS, Indian Institute of Technology Indore, Simrol, India

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Sofronova, S. N.; Софронова, Светлана Николаевна; Gudim, I. A.; Гудим, Ирина Анатольевна; Krylova, S. N.; Крылова, Светлана Николаевна; Kumar, R.; Vtyurin, A. N.; Втюрин, Александр Николаевич; International Workshop on Advanced Dielectric Materials and Their Applications(Oct. 8-11, 2017 ; Xi'an, China)
}
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10.

    Nazarenko, I. I.
    Magnetic ordering dependence on iron ions distribution in Cu2FeBO5 ludwigite / I. I. Nazarenko, S. N. Sofronova, E. M. Moshkina // J. Exp. Theor. Phys. - 2018. - Vol. 126, Is. 5. - P. 674-682, DOI 10.1134/S1063776118050047. - Cited References: 18. - This study was supported by the Russian Foundation for Basic Research and the Government of Krasnoyarsk Territory (project no. 16-42-243028). . - ISSN 1063-7761. - ISSN 1090-6509
Рубрики:
DIELECTRICS
   CATION
Аннотация: A comparative analysis of the copper and iron ions bonds exchange energies was conducted for various variants of orderings and distributions of iron ions among crystallographic positions in ludwigite Cu2FeBO5. Analysis showed that the exchange bonds of iron ions play a key role in the formation of magnetic order. The magnetic ordering strongly depends on the distribution of iron ions among the positions. In the case when the Fe3+ is in the same position as in Fe3BO5, the most favorable magnetic structure is similar to the magnetic structure of ludwigite Fe3BO5. In other cases, the type of magnetic ordering is different.

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Публикация на русском языке Назаренко, Илья Иванович. Зависимость магнитного упорядочения от распределения ионов железа в людвигите Cu2FeBO5 [Текст] / И. И. Назаренко, С. Н. Софронова, Е. М. Мошкина // Журн. эксперим. и теор. физ. - 2018. - Т. 153 Вып. 5. - С. 809-819

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.

Доп.точки доступа:
Sofronova, S. N.; Софронова, Светлана Николаевна; Moshkina, E. M.; Мошкина, Евгения Михайловна; Назаренко, Илья Иванович; Russian Foundation for Basic Research; Government of Krasnoyarsk Territory [16-42-243028]
}
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